NEW YORK — Nets star Kyrie Irving says Brooklyn wants to “erase” the narrative about the team’s weaknesses over the last few seasons. “Guys are going to be coming at us,” Irving said after a longer-than-usual practice at the HSS Training Facility in Industry City on Saturday. “We want to erase everything that was said about our team the last few years in terms of our weaknesses. We want to turn them into our strengths, and it starts with developing good habits and going out in a game and not just talking about it — doing it.” The Nets earned a reputation as a team that would coast during the r…